| Index | Williams Bay | Wisconsin | National |
| Average Test Scores | 46% | 41% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 3 | 1,869 | 79,221 |
| Total private schools | 1 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Williams Bay | Wisconsin | National |
| Completed 8th grade | 93.7% | 89.0% | 84.3% |
| Completed high school | 93.7% | 87.8% | 83.0% |
| Completed some college | 73.5% | 59.7% | 59.4% |
| Completed associate degree | 56.6% | 38.7% | 38.5% |
| Completed bachelors | 48.1% | 28.4% | 30.3% |
| Completed masters | 26.2% | 9.6% | 11.5% |
| Completed professional degree | 8.4% | 2.7% | 3.3% |
| Completed doctorate | 3.3% | 1.1% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Williams Bay. Using the proficiency score averages, the average test scores for Williams Bay, WI schools is 46%. The average student to teacher ratio is 14:1. In Williams Bay, WI, an average of 93.7% of students have completed 8th grade and an average of 93.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Richmond, IL | 2,106 | 53% | 9.4% |
| Fontana-on-Geneva Lake, WI | 1,518 | 52% | 8.3% |
| Burlington, WI | 10,911 | 51% | 6.6% |
| Lake Geneva, WI | 7,872 | 51% | 6.5% |
| Genoa City, WI | 2,989 | 46% | 5.2% |
| Williams Bay, WI | 2,607 | 46% | 5.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Summerset, SD | 2,607 | 57% | 17.7% |
| Lincoln, ME | 2,606 | 33% | 32.3% |
| Iona, ID | 2,608 | 53% | 10.4% |
| Midland, PA | 2,608 | 56% | 16.1% |
| Gap, PA | 2,609 | 55% | 13.5% |
| Williams Bay, WI | 2,607 | 46% | 5.2% |
Here are the best places to live in Wisconsin
These are the largest cities in Wisconsin
See the best places to live in Williams Bay
Check out the 10 most dangerous cities in Wisconsin